215145115014 has 16 divisors (see below), whose sum is σ = 452937084480. Its totient is φ = 67940562600.

The previous prime is 215145115013. The next prime is 215145115021. The reversal of 215145115014 is 410511541512.

215145115014 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215145115013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943618812 + ... + 943619039.

It is an arithmetic number, because the mean of its divisors is an integer number (28308567780).

Almost surely, 2^215145115014 is an apocalyptic number.

215145115014 is an abundant number, since it is smaller than the sum of its proper divisors (237791969466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215145115014 is a wasteful number, since it uses less digits than its factorization.

215145115014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887237875.

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 215145115014 its reverse (410511541512), we get a palindrome (625656656526).

The spelling of 215145115014 in words is "two hundred fifteen billion, one hundred forty-five million, one hundred fifteen thousand, fourteen".